Extech 407766 Calibration Instruments
  • Extech 407766 Calibration Instruments

Extech 407766


Sound Level Calibrator with 94 dB or 114 dB Output


The minimum purchase order quantity for the product is 3.

The Extech 407766 1kHz 94/114dB professional sound calibrator is for 0.5 in. or 1 in. microphones. Calibrates and verifies sound level meter operation. Level position switch to select 94dB or 114dB with power on LED indicator light. Durable die-cast aluminum housing generates a 1kHz sine wave at 94dB/114dB to an accuracy of 5% (frequency) and ±0.5dB (94dB)/±1.0dB (114dB). Meets IEC standard 60942 1997-11.
Product Details
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